<template>
  <div class="app-container" id="app">
    <!-- 顶部Header区域 -->
    <mt-header fixed title="养乐多 vue项目">
    <span slot="left" @click="goBack" v-show="flag">
      <mt-button icon="back">返回</mt-button>
    </span>
    </mt-header>
    <!-- 中间的路由 router-view区域 -->
    <transition>
      <router-view></router-view>
    </transition>

    <!-- 底部Tabbar区域 -->
    <nav class="mui-bar mui-bar-tab">
      <router-link class="mui-tab-item-lib" to="/home">
        <span class="mui-icon mui-icon-home"></span>
        <span class="mui-tab-label">首页</span>
      </router-link>
      <router-link class="mui-tab-item-lib" to="/member">
        <span class="mui-icon mui-icon-contact"></span>
        <span class="mui-tab-label">会员</span>
      </router-link>
      <router-link class="mui-tab-item-lib" to="/shopcar">
        <span class="mui-icon mui-icon-extra mui-icon-extra-cart">
          <span class="mui-badge" id="badge">{{ $store.getters.getAllCount }}</span>
        </span>
        <span class="mui-tab-label">购物车</span>
      </router-link>
      <router-link class="mui-tab-item-lib" to="/search">
        <span class="mui-icon mui-icon-search"></span>
        <span class="mui-tab-label">搜索</span>
      </router-link>
    </nav>
  </div>
</template>

<script>
export default {
  data(){
    return{
      flag: false
    }
  },
  methods:{
    goBack(){
      // 点击后退
      this.$router.go(-1)
    }
  },
  created(){
    this.flag = this.$route.path === "/home" ? false : true;
  },
  watch:{
    '$route.path':function(newVal){
      if(newVal === "/home"){
        this.flag = false
      }else {
        this.flag = true
      }
    }
  }
}
</script>


<style lang="scss">
.mint-header {
  z-index: 99;
}
.app-container {
  padding-top: 40px;
  padding-bottom: 50px;
  overflow: hidden;
}

.v-enter {
  opacity: 0;
  transform: translateX(100%);
}
.v-leave-to {
   opacity: 0;
  transform: translateX(-100%);
  position: absolute;
}
.v-enter-active,
.v-leave-active {
  transition: all 0.5s ease;
}

// 改类名 解决tabbar点击无法切换的问题
.mui-bar-tab .mui-tab-item-lib.mui-active {
    color: #007aff;
}
.mui-bar-tab .mui-tab-item-lib {
    display: table-cell;
    overflow: hidden;
    width: 1%;
    height: 50px;
    text-align: center;
    vertical-align: middle;
    white-space: nowrap;
    text-overflow: ellipsis;
    color: #929292;
}
.mui-bar-tab .mui-tab-item-lib .mui-icon {
    top: 3px;
    width: 24px;
    height: 24px;
    padding-top: 0;
    padding-bottom: 0;
}
.mui-bar-tab .mui-tab-item-lib .mui-icon~.mui-tab-label {
    font-size: 11px;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
}


  .my-gallery {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    figure {
      width: 30%;
      margin: 5px;
      a {
        img {
          width: 100%;
          border: 0;
          box-shadow: 0 0 9px #999;
        }
      }
    }
  }


</style>

